JB Weld Valve Grinding Compound 42g JB37801 Valve Lapping Paste

JB Weld Valve Grinding / Lapping Compound – 42g (1.5oz)

This valve grinding compound is a high-quality lapping paste designed for reconditioning engine valves and seats. The formula contains multiple grit levels (coarse to fine: 120–220) that automatically adjust during use, delivering a smooth and precise finish.

Features & Benefits

• Removes burrs, surface defects, rust, and minor imperfections

• Provides a fast, smooth finish on valve faces and seats

• Ideal for tool and blade sharpening

• Multi-grit in one compound – no need to switch products

• Easy to use and clean up

Applications

• Valve faces

• Valve seats

• Tool and blade maintenance

• General surface finishing

Specifications

• Brand: JB Weld

• Product: Valve Grinding / Lapping Compound

• Net Weight: 42 g / 1.5 oz

• Colour: Dark Grey

• Made in USA

How to Use

1. Clean the valve and seat surfaces.

2. Apply a thin layer of compound to the valve face or seat.

3. Rotate or lap the valve against the seat until a smooth finish is achieved.

4. Clean thoroughly to remove all residue before reassembly.

Shipping & Returns

• All items are brand new and sealed.

• 30-day return policy (buyer pays return postage unless item is faulty).